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Forces and Power Requirements

Haohai Metal Materials Co., Ltd. | Updated: Jan 30, 2019


Forces and Power Requirements


The forces in machining can be determined with a tool dynamometer. In turning, the tool dynamometer usually measures three components:


Tangential, or cutting force

Thrust, or separating force

Feed, or axial force


The cutting force is important since, when multiplied by the cutting velocity, it determines the power requirements in titanium machining. The thrust, or separating force, determines the accuracy produced on a part.

For general approximations, the power requirements in turning and milling can be obtained by measuring the power input to the machine tool’s drive motor during a cutting operation and by subtracting from it the tare, or idle power. A good approximation of the horsepower required in most machining operations can be predicted from unit power requirements.


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